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OptiDry Twin impingement dryer

Revolutionary technology for high efficiency drying

OptiDry Twin impingement dryer represent high technology drying, enabling up to 30 % fewer drying cylinders (and thus a shorter paper machine and machine room) and optimized runnability due to higher dry content before cylinder drying. It also provides tools for increasing sheet bulk.

Excellent runnability

higher dry content before cylinder drying
completely supported web
machine line efficiency increases when less breaks

Improved quality

gives possibility to increase bulk and save raw material costs
draw control optimization

More drying capacity

shorter machine and machine room
efficient drying
makes it possible to use higher steam pressures from the beginning of the dryer section

OptiDry Twin has proved it's efficiency in several references. One of those being Zhanjiang Chenming PM 1 with UWF speed record of 1,808 m/min.

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Read our customer success stories about OptiDry Twin impingement drying deliveries

Palm Aalen PM 5 – a sustainable investment for the next 50 years

Palm Aalen PM 5 – a sustainable investment for the next 50 years

PM 5 at the Papierfabrik Palm Aalen-Neukochen site in Germany is the world’s widest high-capacity containerboard line. It is an investment for the next 50 years and has been producing high-quality and sellable board since the start-up in July, 2021.

Cartones Ponderosa strengthens its competitive advantage

Cartones Ponderosa strengthens its competitive advantage

Mexico’s leading producer of folding boxboard invested in curtain coating and air impingement drying technology to improve board quality, lower costs and boost productivity.

Valmet’s supplied paper machine for Zhanjiang Chenming PM 1 is wide and large and is equipped with the very latest technology

The world's largest and fastest woodfree-producing paper machine

The world's largest and fastest woodfree-producing paper machine was started-up at the Zhanjiang Chenming mill in China. The recorded speed was 1,808 m/min. During a 24-hour run, the 11.15-meter-wide PM 1 produced high quality printing paper at a basis weight of 70 g/m2.

Planning a grade conversion?

The world is changing fast; the consumption of newsprint and printing paper is decreasing and the consumption of containerboards or cartonboards are increasing. An old paper machine can be updated with a grade conversion rebuild to produce more profitable products. Turn a new page for your paper machine with the help from Valmet.

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Board and paper news

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Explore our customer success stories and learn more about our full-scope offering for the board and paper industries.

4-steps to energy efficiency: Benchmark your energy efficiency within the industry

Feb 28, 2023 | Article

4-steps to energy efficiency: Benchmark your energy efficiency within the industry

Every board and paper mill is its own production line’s best expert. However, knowing only “your own pockets” is not enough, given that the industry is at a crossroads because of the current energy market conditions. At this crossroads, you need to partner up to take the right steps.

Managing pulp quality in stock preparation requires fiber measurements

Jan 12, 2023 | Article

Managing pulp quality in stock preparation requires fiber measurements

PT Surya Pamenang recently invested in a Valmet MAP Q to further improve its coated folding boxboard sold in both domestic and export markets. This is an Indonesian first.

Asia Paper Manufacturing uses OptiSizer Hard to improve board strength

Jan 2, 2023 | Article

Asia Paper Manufacturing uses OptiSizer Hard to improve board strength

Asia Paper Manufacturing in the Republic of Korea had an ambitious target to improve the board strength values. They invested in OptiSizer Hard. Compared to conventional sizers, it pushes starch deeper into the board web improving the overall strength values.

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